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来源:雅诚德英语网
As the collagen layer thickens, older collagen calcifies and older chondrocytes deteriorate.
随着胶原层变厚,原来的胶原钙和关节软骨细胞退化。
As the collagen layer thickens, older collagen calcifies and older chondrocytes deteriorate.
随着胶原层变厚,原来的胶原钙和关节软骨细胞退化。